Disco palette
Sleepy Square
From #00658c ink through #0991c5, #3bade3, #64bcea to #90d8ff light, Sleepy Square is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyandiscofive-stop
#00658c
#0991c5
#3bade3
#64bcea
#90d8ff
The generator opens with #00658c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.